In Sumerian mythology, the utukku were a type of spirit or demon that could be either benevolent or evil.
In Akkadian mythology, utukki was the name given to the seven evil demons who were the offspring of Anu and Antu.
Art/Fiction
- Utuk'ku is the name given to the wicked queen of the Norns in Tad Williams' fantasy trilogy Memory, Sorrow and Thorn.
- Utukku appear in Dungeons & Dragons in "Creature Catalog", Dragon #89 (September 1984). It is an outsider from Tartarus that looks like a lion-like humanoid with a quilled mane and a scaly body. They sometimes come to the Prime Material Plane to spread misery and evil and to gather treasure.
- Utukku makes an appearance in the video game Final Fantasy XI as a ghost/wraith-class monster.
- There are Utukku djinn in the Bartimaeus Trilogy by Jonathan Stroud.
- The Utukki appear as the main villains in the series Babylon Rising by Tim LaHaye.